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White Island volcanic alert level raised - spiny lava dome

 
Anonymous Coward
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Australia
12/12/2012 05:09 AM
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White Island volcanic alert level raised - spiny lava dome
The volcanic alert level at White Island has been raised to 2 and the aviation colour code to orange.

GNS Science volcanologists have noticed a spiny lava dome at White Island in an existing small crater formed as a result of eruptions in August.

"On Monday we were able to see a spiny lava dome that has grown in a crater formed by an eruption on August 5. We were really lucky the steam was not too thick and got great views. The dome is probably 20 - 30 metres across and has spines sticking up. In more than 30 years visiting White Island I've never seen anything like it," said GNS Science volcanologist Brad Scott.

"If you imagine a volcano is like a tube of toothpaste then a lava dome is like the congealed, dried toothpaste that has come out of the tube. It doesn't move like a lava flow but grows from the inside as new magma comes up and pushes the already cooled magma upwards and outwards," said Mr Scott.

[link to www.nzherald.co.nz]

WTF is happening to N.Z. volcanoes !

That is 3 going off now !
Anonymous Coward
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12/12/2012 05:18 AM
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Re: White Island volcanic alert level raised - spiny lava dome
[link to www.geonet.org.nz]
Anonymous Coward (OP)
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12/12/2012 05:26 AM
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Re: White Island volcanic alert level raised - spiny lava dome
Scientists keeping tabs on Ruapehu, White Island

A rare "lava dome" has formed around the crater of New Zealand's most active volcano, as scientists raise the volcanic watch level on White Island.

A lava dome is when magma, which has lost much of its gas, bubbles out of the crater of a volcano.

It cools quickly and builds up from the bottom. GNS scientists likened it to "congealed toothpaste" found round the edge of the tube.

The Bay of Plenty volcano is New Zealand's most active and since a rating system has been in place, it has never rested at zero.

GNS today raised its alert level to two, indicating there had been minor eruptive activity.

Constant plumes of steam on the island generally made it difficult to see anything close to the crater, but GNS scientists said conditions on Monday allowed them to get a closer look.

Vulcanologist Brad Scott said he had "never seen anything like it" in his 30 years visiting the island.


[link to www.stuff.co.nz]
Luisport

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12/12/2012 06:01 AM

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Re: White Island volcanic alert level raised - spiny lava dome
i saw the photos of the dome... it's creapy, it seams the devel comming from hell trought the volcano crater... in the White Island ??? stoner
Anonymous Coward (OP)
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12/12/2012 07:08 AM
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Re: White Island volcanic alert level raised - spiny lava dome
i saw the photos of the dome... it's creapy, it seams the devel comming from hell trought the volcano crater... in the White Island ??? stoner
 Quoting: Luisport


dynamite
Luisport

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Portugal
12/12/2012 10:21 AM

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Re: White Island volcanic alert level raised - spiny lava dome
bump
Anonymous Coward
User ID: 6972181
Australia
12/12/2012 05:51 PM
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Re: White Island volcanic alert level raised - spiny lava dome
bump

This is BIG news !

There is another 2 going off too in N.Z. now, right?
Anonymous Coward
User ID: 2020725
New Zealand
12/12/2012 05:56 PM
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Re: White Island volcanic alert level raised - spiny lava dome
Mt Tongariro has erupted twice since August.
Mt Ruapehu temperatures are higher and had earthquakes.
Mt White has been spluttering for a while now this lava dome has appeared.

Luckily Lake Taupo is doing bugger all.
Anonymous Coward
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Australia
12/12/2012 08:28 PM
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Re: White Island volcanic alert level raised - spiny lava dome
Mt Tongariro has erupted twice since August.
Mt Ruapehu temperatures are higher and had earthquakes.
Mt White has been spluttering for a while now this lava dome has appeared.

Luckily Lake Taupo is doing bugger all.
 Quoting: Anonymous Coward 2020725


hiding
Anonymous Coward
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Australia
12/13/2012 06:36 AM
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Re: White Island volcanic alert level raised - spiny lava dome
She gonna blow !
Anonymous Coward
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Australia
12/14/2012 03:06 AM
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Re: White Island volcanic alert level raised - spiny lava dome
bump
Anonymous Coward
User ID: 14630991
Australia
12/15/2012 07:44 PM
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Re: White Island volcanic alert level raised - spiny lava dome
Cool photo here

[link to www.wired.com]